Home / 1,572,770.40-2,168,982.90-1,165,885.80

Finding the Fourth Proportional to 1,572,770.40, 2,168,982.90 and 1,165,885.80

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Solution

The fourth proportional to 1,572,770.40, 2,168,982.90 and 1,165,885.80 is: 1,607,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,770.40 : 2,168,982.90 = 1,165,885.80 : x
  2. Step 2: Convert to fraction form
    1,572,770.40/2,168,982.90 = 1,165,885.80/x
  3. Step 3: Cross multiply
    1,572,770.40x = 2,168,982.90 × 1,165,885.80
  4. Step 4: Simplify right side
    1,572,770.40x = 2,528,786,363,552.82
  5. Step 5: Solve for x
    x = 2,528,786,363,552.82/1,572,770.40
  6. Step 6: Final answer
    x = 1,607,854.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.